Synopsis: A former Army sniper living in a remote New Mexico trailer park has one thing on her mind when a squad of genetically engineered super soldiers breaks out of a nearby facility: keeping her daughter alive.
Stars: Adria Arjona, Dan Stevens, Rebecca Hall, Drew Starkey, Michael Biehn, Reginald VelJohnson, Alex Pereira, Eric Wareheim
Director: Adam Wingard
Rated: R (strong bloody violence, some gore, sexual material/nudity, and language)
Running Length: 92 minutes
Movie Review in Brief: Adam Wingard and Simon Barrett aim squarely at the analog video-store era and hit it, then overshoot into the franchise machinery they’re supposedly satirizing. Adria Arjona is terrific, and the noise carries it a long way. 
Onslaught Review: A Bloody VHS Throwback That Wants to Be a Franchise
For anyone who grew up in the ’70s and ’80s, Onslaught is going to take you right back to the analog days, when you rented a movie based solely on the stylish box art and the elaborately written description on the back of the box. Maybe there was also an out-of-context picture that looked horrifying, and you couldn’t wait to see what it was. You got it home, popped it into the VCR, and discovered it was just… OK.
That’s the strange charm of Onslaught, which reunites director Adam Wingard and Simon Barrett after their detour into the Godzilla x Kong universe. The pair made their names with scrappy genre films like You’re Next and The Guest, and this feels like a return to that territory. There’s plenty of blood, weirdness and midnight-movie energy here. There’s also a movie underneath it all that keeps reaching for something bigger than its premise can comfortably support.
A Premise Made of Gold
The setup is fantastic. Celeste Cross (Adria Arjona, Monsterland) is a divorced former Army sniper dealing with PTSD in a remote New Mexico trailer park. She shares custody of her daughter with her ex but sees her only occasionally due to unconventional living arrangement. Then three genetically engineered super-soldiers escape from a nearby government facility and turn the neighborhood into their personal hunting ground.
Wingard and Barrett waste little time getting to the good stuff. The movie has the blunt-force appeal of an old rental-store discovery, with a simple premise that doesn’t need much explaining. Three nearly indestructible soldiers are loose. A former sniper is trying to protect her daughter. Things get bloody.
For a while, that’s more than enough.
Arjona is terrific as Celeste. She gives the character the physical credibility the role needs, but she also sells the exhaustion underneath it. Celeste isn’t simply a badass waiting for an excuse to kick some ass. She’s someone who has already seen what violence can do and knows exactly what she’s capable of.
Reginald VelJohnson is another highlight as Josiah, Celeste’s neighbor and fellow veteran. There’s an easy warmth to their relationship that gives the movie some breathing room between the carnage. Blake Kennedy also makes an impression as Celeste’s daughter, Daisy, particularly in the family’s tense personal dynamics.
The Killers Are Better Than the Movie's Explanations
The three super-soldiers are easily among the movie’s best ideas. Wingard describes them as a modern take on the slasher villain, mixing the durability of Michael Myers and the Terminator with the eerie presence of The Fog. They’re engineered to feel no pain and can even tighten their muscles enough to deflect bullets.
That sounds ridiculous on paper. Thankfully, Onslaught understands that ridiculous is part of the appeal.
Alex Pereira is particularly effective as The Butcher, the trio’s imposing leader. Pereira is making his acting debut after establishing himself as a UFC fighter, and the casting makes perfect sense. He doesn’t need much dialogue. His physical presence does the work, especially because The Butcher is designed as a silent, methodical killing machine. Tyler Hall plays The Crybaby and Dave Campbell plays The Cockroach, completing a trio that works less like traditional movie villains and more like three walking slasher-movie nightmares. They don’t need much backstory to be effective. Their size, movement and sheer refusal to die are enough.
The supporting characters are a little less successful. Dan Stevens (Cuckoo) plays Nazi scientist Hans Kammler with the same tendency toward theatrical excess that has occasionally worked against his other villainous performances. Stevens is clearly having fun outfitted with the smoothest bald cap I’ve ever seen and one seriously milky eye, but his performance pushes so hard toward villainy that it occasionally feels like he’s acting in a different movie. Within his first five minutes of screen time, he’s crawling on the floor and licking Hall’s toes so yeah, it’s a strange one.
Rebecca Hall (The Night House) brings some welcome icy precision to Hanna Kammler, his ruthless wife and partner in the experiments. Michael Biehn showing up in a movie about genetically engineered soldiers is the sort of casting joke that practically explains itself, especially for anyone who grew up watching The Terminator, Aliens & The Abyss)
Then there’s Queer‘s Drew Starkey’s Cyrus, a mysterious government “janitor” brought in to clean up the mess. He’s introduced watching a graphic strip show in a brothel and spends much of the movie operating at a bizarre frequency of his own. The eccentric haircut, strange clothes and perpetual MDMA buzz make him memorable, but the character never quite earns all that attention.
Cyrus feels like someone designed with a much larger mythology in mind. His presence doesn’t add enough to Celeste’s story to justify how much setup he receives, unless there’s a plan to bring him back in a future installment. If there isn’t, he’s an entertainingly strange detour that the movie could have done more with.
The VHS Movie Meets the Franchise Machine
This is where Onslaught starts to lose me.
The movie works best when it behaves like the ridiculous VHS rental it seems determined to imitate. Once it starts filling in its mythology, conspiracies and larger ambitions, the gaps in the storytelling become harder to ignore. There are questions the screenplay doesn’t answer, pieces of its mythology that feel underdeveloped, and characters who seem positioned for importance without the material to support them.
That’s an odd problem for a movie built around such a simple premise. The trailer-park siege is the movie’s strongest idea because it gives Wingard a contained playground for the violence. The farther Onslaught expands beyond that setup, the more it starts to feel like it’s preparing for something that may or may not happen.
The production design helps sell the illusion. Tom Hammock, a frequent Wingard collaborator, created the trailer park from scratch and designed the secret bunker around retrofitted 1950s technology. It gives the government facility a strange visual identity instead of making it look like another generic underground laboratory.
Oren Soffer‘s cinematography also knows when to get out of the way. One gas-station sequence strips away much of the musical and visual embellishment, using stark lighting and a more rigid camera style to make the soldiers feel genuinely threatening. For the climactic action, Soffer shot at a higher frame rate while Wingard had Arjona and the soldiers move at half speed, creating an intentionally stylized quality.
Arjona’s physical work deserves credit, too. She underwent tactical training for the role, while prop master and armorist Brett Andrews helped police her posture so Celeste would carry herself like someone with a military background. Those details matter because the movie asks us to believe she can stand across from these monsters and survive.
Better on the Rental Shelf
There’s a lot to like here. The violence is plentiful and often gleefully nasty. The cast is game. Arjona gives the movie a strong lead, VelJohnson is a welcome surprise, and Pereira is exactly the kind of inspired casting choice that makes a movie like this more fun.
Wingard and Barrett also clearly understand the kind of movie they’re making. They aren’t pretending Onslaught is something it isn’t. They want the grime, absurdity and excess of an old-school genre rental while bringing the resources of a much larger production to the party.
The problem is that the movie eventually wants both things. It wants to be the cheap, outrageous tape you grabbed because the cover looked insane, but it also wants to establish a mythology big enough to support something beyond this story. Those ambitions don’t always coexist comfortably.
For a while, the blood and nostalgia carry Onslaught exactly where it needs to go. Then the movie starts explaining itself, expanding its world and leaving pieces behind. The result is entertaining, often very weird and occasionally a lot of fun, but it never becomes as satisfying as its premise suggests.
Onslaught successfully recreates the thrill of finding a strange horror movie on the rental shelf. It also reminds us why some of those movies stayed there.
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